Hi Felipe,
On Wed, Jul 2, 2014 at 10:16 PM, Felipe Balbi wrote:
> Hi,
>
> On Sun, May 25, 2014 at 11:10:30PM +0530, sundeep subbaraya wrote:
>> Hi Felipe,
>>
>> Please take a look at below about how this IP works:
>>
>> IN:
>> req.buf ---> DMA (transfers from ddr to IP buffer, raise DMA
>>
Hi,
On Sun, May 25, 2014 at 11:10:30PM +0530, sundeep subbaraya wrote:
> Hi Felipe,
>
> Please take a look at below about how this IP works:
>
> IN:
> req.buf ---> DMA (transfers from ddr to IP buffer, raise DMA
> done interrupt and set Buffer ready to transfer data to Host)>Host
> PC
Hi Felipe,
Please take a look at below about how this IP works:
IN:
req.buf ---> DMA (transfers from ddr to IP buffer, raise DMA
done interrupt and set Buffer ready to transfer data to Host)>Host
PC
buffer sent interrupt
OUT:
Host PC--->buffer ready interrupt--->DMA (transfer fr
Hi,
On Wed, Apr 23, 2014 at 09:57:52AM +0530, sundeep subbaraya wrote:
> >> > I get the impression that the two of you are arguing past each other.
> >> > It appears that Sundeep is talking about transferring data from the
> >> > gadget driver's buffer to an internal buffer in the UDC hardware, bu
Hi,
On Tue, Apr 22, 2014 at 8:19 PM, Felipe Balbi wrote:
> Hi,
>
> On Tue, Apr 22, 2014 at 12:58:41PM +0530, sundeep subbaraya wrote:
>> Hi,
>>
>> On Mon, Apr 21, 2014 at 10:09 PM, Alan Stern
>> wrote:
>> > On Mon, 21 Apr 2014, Felipe Balbi wrote:
>> >
>> >> Hi,
>> >>
>> >> On Fri, Apr 18, 2014
Hi,
On Tue, Apr 22, 2014 at 12:58:41PM +0530, sundeep subbaraya wrote:
> Hi,
>
> On Mon, Apr 21, 2014 at 10:09 PM, Alan Stern
> wrote:
> > On Mon, 21 Apr 2014, Felipe Balbi wrote:
> >
> >> Hi,
> >>
> >> On Fri, Apr 18, 2014 at 07:34:08PM +0530, sundeep subbaraya wrote:
> >>
> >>
> >>
> >> > >>
On Tue, 22 Apr 2014, sundeep subbaraya wrote:
> Hi,
>
> On Mon, Apr 21, 2014 at 10:09 PM, Alan Stern
> wrote:
> > On Mon, 21 Apr 2014, Felipe Balbi wrote:
> >
> >> Hi,
> >>
> >> On Fri, Apr 18, 2014 at 07:34:08PM +0530, sundeep subbaraya wrote:
> >>
> >>
> >>
> >> > >> in ep_queue driver start
Hi,
On Mon, Apr 21, 2014 at 10:09 PM, Alan Stern wrote:
> On Mon, 21 Apr 2014, Felipe Balbi wrote:
>
>> Hi,
>>
>> On Fri, Apr 18, 2014 at 07:34:08PM +0530, sundeep subbaraya wrote:
>>
>>
>>
>> > >> in ep_queue driver starts dma transfer from/to IP buffer to/from
>> > >> req->buf.
>> > >> If tra
On Mon, 21 Apr 2014, Felipe Balbi wrote:
> Hi,
>
> On Fri, Apr 18, 2014 at 07:34:08PM +0530, sundeep subbaraya wrote:
>
>
>
> > >> in ep_queue driver starts dma transfer from/to IP buffer to/from
> > >> req->buf.
> > >> If transfer is completed then request is not added to ep request queue
>
Hi,
On Fri, Apr 18, 2014 at 07:34:08PM +0530, sundeep subbaraya wrote:
> >> in ep_queue driver starts dma transfer from/to IP buffer to/from req->buf.
> >> If transfer is completed then request is not added to ep request queue
> >> and returns from ep_queue.
> >> If transfer is not completed (a
Hi Felipe,
On Thu, Apr 17, 2014 at 8:31 PM, Felipe Balbi wrote:
> On Thu, Apr 17, 2014 at 03:01:37PM +0530, sundeep subbaraya wrote:
>> Hi Felipe,
>>
>> On Wed, Apr 16, 2014 at 11:32 PM, Felipe Balbi wrote:
>> > Hi,
>> >
>> > On Wed, Apr 16, 2014 at 04:09:28PM +0530, sundeep subbaraya wrote:
>>
On Thu, Apr 17, 2014 at 03:01:37PM +0530, sundeep subbaraya wrote:
> Hi Felipe,
>
> On Wed, Apr 16, 2014 at 11:32 PM, Felipe Balbi wrote:
> > Hi,
> >
> > On Wed, Apr 16, 2014 at 04:09:28PM +0530, sundeep subbaraya wrote:
> >> Hi Felipe,
> >>
> >> On Thu, Apr 3, 2014 at 8:28 PM, Felipe Balbi wrot
Hi,
On Thu, Apr 17, 2014 at 1:38 AM, Paul Zimmerman
wrote:
>> From: linux-usb-ow...@vger.kernel.org
>> [mailto:linux-usb-ow...@vger.kernel.org] On Behalf Of sundeep subbaraya
>> Sent: Wednesday, April 16, 2014 3:39 AM
>>
>> Hi Felipe,
>>
>> On Thu, Apr 3, 2014 at 8:28 PM, Felipe Balbi wrote:
>>
Hi Felipe,
On Wed, Apr 16, 2014 at 11:32 PM, Felipe Balbi wrote:
> Hi,
>
> On Wed, Apr 16, 2014 at 04:09:28PM +0530, sundeep subbaraya wrote:
>> Hi Felipe,
>>
>> On Thu, Apr 3, 2014 at 8:28 PM, Felipe Balbi wrote:
>>
>> >> +static int start_dma(struct xusb_ep *ep, u32 src, u32 dst, u32 length)
>
> From: linux-usb-ow...@vger.kernel.org
> [mailto:linux-usb-ow...@vger.kernel.org] On Behalf Of sundeep subbaraya
> Sent: Wednesday, April 16, 2014 3:39 AM
>
> Hi Felipe,
>
> On Thu, Apr 3, 2014 at 8:28 PM, Felipe Balbi wrote:
>
> >> +static int start_dma(struct xusb_ep *ep, u32 src, u32 dst,
Hi,
On Wed, Apr 16, 2014 at 04:09:28PM +0530, sundeep subbaraya wrote:
> Hi Felipe,
>
> On Thu, Apr 3, 2014 at 8:28 PM, Felipe Balbi wrote:
>
> >> +static int start_dma(struct xusb_ep *ep, u32 src, u32 dst, u32 length)
> >
> > please prepend this with xudc_, it makes tracing a lot easier.
> >
>
Hi Felipe,
On Thu, Apr 3, 2014 at 8:28 PM, Felipe Balbi wrote:
>> +static int start_dma(struct xusb_ep *ep, u32 src, u32 dst, u32 length)
>
> please prepend this with xudc_, it makes tracing a lot easier.
>
>> +{
>> + struct xusb_udc *udc;
>> + int rc = 0;
>> + unsigned long timeout;
Hi,
On Tue, Apr 08, 2014 at 09:31:29PM +0530, sundeep subbaraya wrote:
> >> >> +static const struct usb_gadget_ops xusb_udc_ops = {
> >> >> + .get_frame = xudc_get_frame,
> >> >> + .wakeup = xudc_wakeup,
> >> >> + .udc_start = xudc_start,
> >> >> + .udc_stop = xudc_stop,
> >> >
>
On Mon, Apr 7, 2014 at 10:05 PM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Apr 07, 2014 at 02:36:13PM +0530, sundeep subbaraya wrote:
>> >> +/**
>> >> + * xudc_wrstatus - Sets up the usb device status stages.
>> >> + * @udc: pointer to the usb device controller structure.
>> >> + */
>> >> +static void
Hi,
On Mon, Apr 07, 2014 at 02:36:13PM +0530, sundeep subbaraya wrote:
> >> +/**
> >> + * xudc_wrstatus - Sets up the usb device status stages.
> >> + * @udc: pointer to the usb device controller structure.
> >> + */
> >> +static void xudc_wrstatus(struct xusb_udc *udc)
> >> +{
> >> + u32 epcf
Hi Michal,
On Thu, Apr 3, 2014 at 8:53 PM, Michal Simek wrote:
>>> +struct xusb_udc {
>>> +struct usb_gadget gadget;
>>> +struct xusb_ep ep[8];
>>> +struct usb_gadget_driver *driver;
>>> +struct cmdbuf ch9cmd;
>>> +u32 usb_state;
>>> +u32 remote_wkp;
>>> +unsigned int
>> +struct xusb_udc {
>> +struct usb_gadget gadget;
>> +struct xusb_ep ep[8];
>> +struct usb_gadget_driver *driver;
>> +struct cmdbuf ch9cmd;
>> +u32 usb_state;
>> +u32 remote_wkp;
>> +unsigned int (*read_fn)(void __iomem *);
>> +void (*write_fn)(void __iomem *, u32,
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